I asked the same question here and to one of my friends, and here are the answers I got:
The answer on CC: http://talk.collegeconfidential.com/mathematics-computer-science/1728699-which-ap-calculus-bc-prep-book-should-i-buy.html
And my friend told me to get James Stewart’s Calculus with Early Transcendental Functions, which he specifically said was “simply the best”.
Hope this helps you.